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Submission #933225

# Submission time Handle Problem Language Result Execution time Memory
933225 2024-02-25T09:43:03 Z sleepntsheep Strange Device (APIO19_strange_device) C++17
0 / 100
 2 ms 2396 KB 
#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>
#include <cassert>
#include <cstring>
#include <vector>
#include <algorithm>
#include <deque>
#include <set>
#include <utility>
#include <array>
#include <complex>
#include <map>

using u32 = unsigned;
using i32 = int;
using i64 = long long;
using u64 = unsigned long long;
using f64 = double;
using f80 = long double;

using namespace std;
using pt = complex<f80>;
#define ALL(x) begin(x), end(x)
#define ShinLena cin.tie(nullptr)->sync_with_stdio(false);
#define N 400005

i64 n, a, b, l[N], r[N];

int main()
{
    ShinLena;
    cin >> n >> a >> b;
    for (int i = 0; i < n; ++i) cin >> l[i] >> r[i];

    if (b == 1)
    {
        std::map<int, int> mp;
        for (int i = 0; i < n; ++i)
        {
            l[i] *= 2, r[i] *= 2;
            int lg = ::l[i] / a, rg = ::r[i] / a;
            int ll = ::l[i] % a, rr = ::r[i] % a;
            if (lg == rg)
            {
                ++mp[ll]; --mp[rr+1];
            }
            else if (lg + 1 == rg)
            {
                if (rr >= ll)
                    ++mp[0], --mp[a];
                else
                {
                    ++mp[0], --mp[rr+1];
                    ++mp[ll], --mp[a];
                }
            }
            else
            {
                ++mp[0], --mp[a];
            }
        }
        i64 z{}, run = 0, lx = 0;
        for (auto [x, y] : mp)
        {
            z += x - lx;
            run += y;
            lx = x;
        }
        cout << z << '\n';
    }

    {
        vector<pair<i64, i64>> v;
        for (int i = 0; i < n; ++i) for (i64 j = l[i]; j <= r[i]; ++j)
            v.push_back({(j+j/b)%a, j%b});
        sort(ALL(v)); return cout << unique(ALL(v)) - begin(v), 0;
    }

    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -